少年未老心已荒芜少女未死心已冰封
[shăo nián wèi lăo xīn yĭ huāng wú shăo nǚ wèi sĭ xīn yĭ bīng fēng]
It literally says 'The youth isn't old but heart is barren, maiden hasn't died but heart is frozen.' Expresses deep sadness, possibly about unrequited love and lost youthful hope.